var isFixed = false
function handleFixed(e){
	isFixed = !isFixed
	const left = document.querySelector('.left')
	const right = document.querySelector('.right')
	const btnControl = document.querySelector('.btn-control')
	const btn = document.querySelector('.btn')
	left.style.position = isFixed ? 'fixed' : '',
	right.style.marginLeft = isFixed ? '375px' : ''
	// btn.style.float = isFixed ? 'right' : '',
	btn.style.transform = isFixed ? 'translateX(100%)' : ''
	btnControl.style.background = isFixed ? '#1abc9c' : ''
}